diff --git a/retail/interactive-tutorials/events/purge-user-events.js b/retail/interactive-tutorials/events/purge-user-events.js
index e63c9f2c1a..3815fa78d0 100644
--- a/retail/interactive-tutorials/events/purge-user-events.js
+++ b/retail/interactive-tutorials/events/purge-user-events.js
@@ -21,11 +21,14 @@ async function main() {
   const {UserEventServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new UserEventServiceClient();
+
+  const projectId = await retailClient.getProjectId();
   const visitorId = 'test_visitor_id';
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog`;
 
   // The filter string to specify the events to be deleted with a
   // length limit of 5,000 characters.
@@ -34,9 +37,6 @@ async function main() {
   // Actually perform the purge.
   const force = true;
 
-  // Instantiates a client.
-  const retailClient = new UserEventServiceClient();
-
   const callPurgeUserEvents = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/events/rejoin-user-events.js b/retail/interactive-tutorials/events/rejoin-user-events.js
index 82e73a54b5..90bdcf3909 100644
--- a/retail/interactive-tutorials/events/rejoin-user-events.js
+++ b/retail/interactive-tutorials/events/rejoin-user-events.js
@@ -21,11 +21,14 @@ async function main() {
   const {UserEventServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new UserEventServiceClient();
+
+  const projectId = await retailClient.getProjectId();
   const visitorId = 'test_visitor_id';
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
 
   const UserEventRejoinScope = {
     USER_EVENT_REJOIN_SCOPE_UNSPECIFIED: 0,
@@ -36,9 +39,6 @@ async function main() {
   // events to be rejoined with the latest product catalog
   const userEventRejoinScope = UserEventRejoinScope.UNJOINED_EVENTS;
 
-  // Instantiates a client.
-  const retailClient = new UserEventServiceClient();
-
   const callRejoinUserEvents = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/events/write-user-event.js b/retail/interactive-tutorials/events/write-user-event.js
index 6763abbde8..fbcbf04d28 100644
--- a/retail/interactive-tutorials/events/write-user-event.js
+++ b/retail/interactive-tutorials/events/write-user-event.js
@@ -21,11 +21,14 @@ async function main() {
   const {UserEventServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new UserEventServiceClient();
+
+  const projectId = await retailClient.getProjectId();
   const visitorId = 'test_visitor_id';
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
 
   // User event to write
   const userEvent = {
@@ -36,9 +39,6 @@ async function main() {
     },
   };
 
-  // Instantiates a client.
-  const retailClient = new UserEventServiceClient();
-
   const callWriteUserEvent = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/add-fulfillment-places.js b/retail/interactive-tutorials/product/add-fulfillment-places.js
index 9612d1c829..dcb9972a96 100644
--- a/retail/interactive-tutorials/product/add-fulfillment-places.js
+++ b/retail/interactive-tutorials/product/add-fulfillment-places.js
@@ -21,11 +21,14 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
   const createdProduct = await utils.createProduct(
-    projectNumber,
+    projectId,
     generatedProductId
   );
 
@@ -50,9 +53,6 @@ async function main(generatedProductId) {
   // at most 1 day and processed once the product is created
   const allowMissing = true;
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const calladdFulfillmentPlaces = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/create-product.js b/retail/interactive-tutorials/product/create-product.js
index a385af3c18..6823b29bbf 100644
--- a/retail/interactive-tutorials/product/create-product.js
+++ b/retail/interactive-tutorials/product/create-product.js
@@ -21,10 +21,13 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // The parent catalog resource name
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
 
   // The ID to use for the product
   const productId = generatedProductId
@@ -45,9 +48,6 @@ async function main(generatedProductId) {
     availability: 'IN_STOCK',
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callCreateProduct = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/crud-product.js b/retail/interactive-tutorials/product/crud-product.js
index a4c3ea1ee8..bbf98d0110 100644
--- a/retail/interactive-tutorials/product/crud-product.js
+++ b/retail/interactive-tutorials/product/crud-product.js
@@ -20,10 +20,13 @@ async function main(generatedProductId) {
   // Imports the Google Cloud client library.
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // The parent catalog resource name
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
 
   // The ID to use for the product
   const productId = generatedProductId
@@ -63,9 +66,6 @@ async function main(generatedProductId) {
     availability: 'OUT_OF_STOCK',
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callCreateProduct = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/delete-product.js b/retail/interactive-tutorials/product/delete-product.js
index daee6c17ef..6965c0ea79 100644
--- a/retail/interactive-tutorials/product/delete-product.js
+++ b/retail/interactive-tutorials/product/delete-product.js
@@ -21,17 +21,17 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
-  const product = await utils.createProduct(projectNumber, generatedProductId);
+  const product = await utils.createProduct(projectId, generatedProductId);
 
   // Full resource name of Product
   const name = product.name;
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callDeleteProduct = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/get-product.js b/retail/interactive-tutorials/product/get-product.js
index ef015d8ece..d9ae491326 100644
--- a/retail/interactive-tutorials/product/get-product.js
+++ b/retail/interactive-tutorials/product/get-product.js
@@ -21,17 +21,17 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
-  const product = await utils.createProduct(projectNumber, generatedProductId);
+  const product = await utils.createProduct(projectId, generatedProductId);
 
   // Full resource name of Product
   const name = product.name;
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callGetProduct = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/get-products-list.js b/retail/interactive-tutorials/product/get-products-list.js
index cffc146512..63317a0558 100644
--- a/retail/interactive-tutorials/product/get-products-list.js
+++ b/retail/interactive-tutorials/product/get-products-list.js
@@ -20,14 +20,14 @@ async function main() {
   // Imports the Google Cloud client library.
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-
-  // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
-
   // Instantiates a client.
   const retailClient = new ProductServiceClient();
 
+  const projectId = await retailClient.getProjectId();
+
+  // Placement
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
+
   async function callListProducts() {
     console.log('Start get products list');
     // Construct request
diff --git a/retail/interactive-tutorials/product/import-products-big-query-table.js b/retail/interactive-tutorials/product/import-products-big-query-table.js
index 2b9c3c842a..527240462c 100644
--- a/retail/interactive-tutorials/product/import-products-big-query-table.js
+++ b/retail/interactive-tutorials/product/import-products-big-query-table.js
@@ -20,15 +20,17 @@ async function main() {
   // Imports the Google Cloud client library.
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const projectId = process.env['PROJECT_ID'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   const datasetId = 'products';
   const tableId = 'products'; // TO CHECK ERROR HANDLING USE THE TABLE WITH INVALID PRODUCTS
   const dataSchema = 'product';
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`; // TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
 
   // The desired input location of the data.
   const inputConfig = {
@@ -55,9 +57,6 @@ async function main() {
   // The mode of reconciliation between existing products and the products to be imported.
   const reconciliationMode = reconciliationModes.INCREMENTAL;
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callImportProducts = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/import-products-gcs.js b/retail/interactive-tutorials/product/import-products-gcs.js
index d5ddaa4282..e07e9ee7db 100644
--- a/retail/interactive-tutorials/product/import-products-gcs.js
+++ b/retail/interactive-tutorials/product/import-products-gcs.js
@@ -20,14 +20,17 @@ async function main(bucketName) {
   // Imports the Google Cloud client library.
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   const gcsBucket = `gs://${bucketName}`;
   const gcsErrorsBucket = `gs://${bucketName}/error`;
   const gcsProductsObject = 'products.json'; // TO CHECK ERROR HANDLING USE THE JSON WITH INVALID PRODUCT
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`; //TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`; //TO CHECK ERROR HANDLING PASTE THE INVALID CATALOG NAME HERE
 
   // The desired input location of the data.
   const inputConfig = {
@@ -48,9 +51,6 @@ async function main(bucketName) {
     IOperation: 2,
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callImportProducts = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/import-products-inline-source.js b/retail/interactive-tutorials/product/import-products-inline-source.js
index 396646b2d2..4dea2f0b76 100644
--- a/retail/interactive-tutorials/product/import-products-inline-source.js
+++ b/retail/interactive-tutorials/product/import-products-inline-source.js
@@ -21,10 +21,13 @@ async function main(id1, id2) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
 
   const product1 = {
     id: id1 ? id1 : Math.random().toString(36).slice(2).toUpperCase(),
@@ -89,9 +92,6 @@ async function main(id1, id2) {
     IOperation: 2,
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callImportProducts = async () => {
     // Construct request
     const request = {
@@ -118,7 +118,7 @@ async function main(id1, id2) {
   console.log('Import products finished');
 
   // Delete imported products
-  await utils.deleteProductsByIds(projectNumber, [product1.id, product2.id]);
+  await utils.deleteProductsByIds(projectId, [product1.id, product2.id]);
   console.log('Products deleted');
   // [END retail_import_products_from_inline_source]
 }
diff --git a/retail/interactive-tutorials/product/remove-fulfillment-places.js b/retail/interactive-tutorials/product/remove-fulfillment-places.js
index 3e5ce00df4..217a72b9ab 100644
--- a/retail/interactive-tutorials/product/remove-fulfillment-places.js
+++ b/retail/interactive-tutorials/product/remove-fulfillment-places.js
@@ -21,11 +21,14 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
   const createdProduct = await utils.createProduct(
-    projectNumber,
+    projectId,
     generatedProductId,
     true
   );
@@ -47,9 +50,6 @@ async function main(generatedProductId) {
     seconds: Math.round(Date.now() / 1000),
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callRemoveFulfillmentPlaces = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/set-inventory.js b/retail/interactive-tutorials/product/set-inventory.js
index 28f1ca5d13..1b849cebdc 100644
--- a/retail/interactive-tutorials/product/set-inventory.js
+++ b/retail/interactive-tutorials/product/set-inventory.js
@@ -21,11 +21,14 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
   const createdProduct = await utils.createProduct(
-    projectNumber,
+    projectId,
     generatedProductId
   );
 
@@ -61,9 +64,6 @@ async function main(generatedProductId) {
   // inventory update will still be processed and retained for at most 1 day until the product is created
   const allowMissing = true;
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callSetInventory = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/product/update-product.js b/retail/interactive-tutorials/product/update-product.js
index 30a2da2a1c..dd309d50e8 100644
--- a/retail/interactive-tutorials/product/update-product.js
+++ b/retail/interactive-tutorials/product/update-product.js
@@ -21,11 +21,14 @@ async function main(generatedProductId) {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new ProductServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Create product
   const createdProduct = await utils.createProduct(
-    projectNumber,
+    projectId,
     generatedProductId
   );
 
@@ -51,9 +54,6 @@ async function main(generatedProductId) {
     availability: 'OUT_OF_STOCK',
   };
 
-  // Instantiates a client.
-  const retailClient = new ProductServiceClient();
-
   const callUpdateProduct = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/search/search-simple-query.js b/retail/interactive-tutorials/search/search-simple-query.js
index 7a5bd03669..ae56a8616c 100644
--- a/retail/interactive-tutorials/search/search-simple-query.js
+++ b/retail/interactive-tutorials/search/search-simple-query.js
@@ -21,10 +21,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Hoodie'; //TRY DIFFERENT QUERY PHRASES
@@ -35,9 +38,6 @@ async function main() {
   // Maximum number of Products to return.
   const pageSize = 10;
 
-  // Instantiates a client.
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-boost-spec.js b/retail/interactive-tutorials/search/search-with-boost-spec.js
index 52db62db08..6021635ff0 100644
--- a/retail/interactive-tutorials/search/search-with-boost-spec.js
+++ b/retail/interactive-tutorials/search/search-with-boost-spec.js
@@ -22,10 +22,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Hoodie';
@@ -46,9 +49,6 @@ async function main() {
   // Maximum number of Products to return.
   const pageSize = 10;
 
-  // Instantiates a client
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-facet-spec.js b/retail/interactive-tutorials/search/search-with-facet-spec.js
index 7205c874bc..3fcac810d0 100644
--- a/retail/interactive-tutorials/search/search-with-facet-spec.js
+++ b/retail/interactive-tutorials/search/search-with-facet-spec.js
@@ -21,10 +21,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Tee';
@@ -38,9 +41,6 @@ async function main() {
   // Maximum number of Products to return.
   const pageSize = 10;
 
-  // Instantiates a client.
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-filtering.js b/retail/interactive-tutorials/search/search-with-filtering.js
index 3147809df4..c3d45108ad 100644
--- a/retail/interactive-tutorials/search/search-with-filtering.js
+++ b/retail/interactive-tutorials/search/search-with-filtering.js
@@ -21,10 +21,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Tee';
@@ -39,9 +42,6 @@ async function main() {
   // Maximum number of Products to return.
   const pageSize = 10;
 
-  // Instantiates a client.
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-ordering.js b/retail/interactive-tutorials/search/search-with-ordering.js
index af99188f29..d179f29480 100644
--- a/retail/interactive-tutorials/search/search-with-ordering.js
+++ b/retail/interactive-tutorials/search/search-with-ordering.js
@@ -21,10 +21,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Hoodie';
@@ -38,9 +41,6 @@ async function main() {
   // Maximum number of Products to return.
   const pageSize = 10;
 
-  // Instantiates a client
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-pagination.js b/retail/interactive-tutorials/search/search-with-pagination.js
index 3158f3565a..7a153302d5 100644
--- a/retail/interactive-tutorials/search/search-with-pagination.js
+++ b/retail/interactive-tutorials/search/search-with-pagination.js
@@ -20,10 +20,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Hoodie';
@@ -40,9 +43,6 @@ async function main() {
   //A page token received from a previous search call.
   let pageToken = '';
 
-  // Instantiates a client.
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/search/search-with-query-expansion-spec.js b/retail/interactive-tutorials/search/search-with-query-expansion-spec.js
index e70387f9e1..e5bc7d659d 100644
--- a/retail/interactive-tutorials/search/search-with-query-expansion-spec.js
+++ b/retail/interactive-tutorials/search/search-with-query-expansion-spec.js
@@ -20,10 +20,13 @@ async function main() {
   // Imports the Google Cloud client library.
   const {SearchServiceClient} = require('@google-cloud/retail');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  // Instantiates a client.
+  const retailClient = new SearchServiceClient();
+
+  const projectId = await retailClient.getProjectId();
 
   // Placement is used to identify the Serving Config name.
-  const placement = `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`;
+  const placement = `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`;
 
   // Raw search query.
   const query = 'Google Youth Hero Tee Grey';
@@ -40,9 +43,6 @@ async function main() {
   //Maximum number of products to return
   const pageSize = 10;
 
-  // Instantiates a client.
-  const retailClient = new SearchServiceClient();
-
   const IResponseParams = {
     ISearchResult: 0,
     ISearchRequest: 1,
diff --git a/retail/interactive-tutorials/setup/setup-cleanup.js b/retail/interactive-tutorials/setup/setup-cleanup.js
index a0561c3256..4889f429c9 100644
--- a/retail/interactive-tutorials/setup/setup-cleanup.js
+++ b/retail/interactive-tutorials/setup/setup-cleanup.js
@@ -280,9 +280,9 @@ const uploadDataToBqTable = async (datasetId, tableId, source, schemaFile) => {
 };
 
 const writeUserEvent = async visitorId => {
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog`;
   const retailClient = new UserEventServiceClient();
+  const projectId = await retailClient.getProjectId();
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog`;
 
   const userEvent = {
     eventType: 'detail-page-view',
diff --git a/retail/interactive-tutorials/test-resources-setup/create-test-resources.js b/retail/interactive-tutorials/test-resources-setup/create-test-resources.js
index dc7e47b5e3..3baba0a1c5 100644
--- a/retail/interactive-tutorials/test-resources-setup/create-test-resources.js
+++ b/retail/interactive-tutorials/test-resources-setup/create-test-resources.js
@@ -18,7 +18,8 @@ async function main() {
   const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  const retailClient = new ProductServiceClient();
+  const projectId = await retailClient.getProjectId();
 
   const productsBucketName = process.env['BUCKET_NAME'];
   const eventsBucketName = process.env['EVENTS_BUCKET_NAME'];
@@ -37,7 +38,7 @@ async function main() {
   const productsSourceFile = 'interactive-tutorials/resources/products.json';
   const eventsSourceFile = 'interactive-tutorials/resources/user_events.json';
 
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
 
   const inputConfig = {
     gcsSource: {
@@ -56,8 +57,6 @@ async function main() {
     IOperation: 2,
   };
 
-  const retailClient = new ProductServiceClient();
-
   const importProducts = async () => {
     // Construct request
     const request = {
diff --git a/retail/interactive-tutorials/test-resources-setup/remove-test-resources.js b/retail/interactive-tutorials/test-resources-setup/remove-test-resources.js
index 614add7017..27450449e9 100644
--- a/retail/interactive-tutorials/test-resources-setup/remove-test-resources.js
+++ b/retail/interactive-tutorials/test-resources-setup/remove-test-resources.js
@@ -15,9 +15,11 @@
 'use strict';
 
 async function main() {
+  const {ProductServiceClient} = require('@google-cloud/retail').v2;
   const utils = require('../setup/setup-cleanup');
 
-  const projectNumber = process.env['GCLOUD_PROJECT'];
+  const retailClient = new ProductServiceClient();
+  const projectId = await retailClient.getProjectId();
 
   const productsBucketName = process.env['BUCKET_NAME'];
   const eventsBucketName = process.env['EVENTS_BUCKET_NAME'];
@@ -25,7 +27,7 @@ async function main() {
   const productsDataset = 'products';
   const eventsDataset = 'user_events';
 
-  const parent = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch`;
+  const parent = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch`;
 
   await utils.deleteBucket(productsBucketName);
   await utils.deleteBucket(eventsBucketName);
diff --git a/retail/interactive-tutorials/test/create-product.test.js b/retail/interactive-tutorials/test/create-product.test.js
index 060cdc07af..75c263e333 100644
--- a/retail/interactive-tutorials/test/create-product.test.js
+++ b/retail/interactive-tutorials/test/create-product.test.js
@@ -27,11 +27,14 @@ const cwd = path.join(__dirname, '..');
 describe('Create product', () => {
   const retailClient = new ProductServiceClient();
   const productId = Math.random().toString(36).slice(2).toUpperCase();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const name = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+  let projectId;
+  let name;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    name = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+
     stdout = execSync(
       `node interactive-tutorials/product/create-product.js ${productId}`,
       {cwd}
diff --git a/retail/interactive-tutorials/test/crud-product.test.js b/retail/interactive-tutorials/test/crud-product.test.js
index b7f83bf8ae..1301aee954 100644
--- a/retail/interactive-tutorials/test/crud-product.test.js
+++ b/retail/interactive-tutorials/test/crud-product.test.js
@@ -26,25 +26,29 @@ const cwd = path.join(__dirname, '..');
 describe('CRUD product', () => {
   const retailClient = new ProductServiceClient();
   const productId = Math.random().toString(36).slice(2).toUpperCase();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const name = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
-  const product = {
-    productId,
-    name,
-    title: 'Updated Nest Mini',
-    type: 'PRIMARY',
-    categories: ['Updated Speakers and displays'],
-    brands: ['Updated Google'],
-    priceInfo: {
-      price: 20.0,
-      originalPrice: 25.5,
-      currencyCode: 'EUR',
-    },
-    availability: 'OUT_OF_STOCK',
-  };
+  let projectId;
+  let name;
+  let product;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    name = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+    product = {
+      productId,
+      name,
+      title: 'Updated Nest Mini',
+      type: 'PRIMARY',
+      categories: ['Updated Speakers and displays'],
+      brands: ['Updated Google'],
+      priceInfo: {
+        price: 20.0,
+        originalPrice: 25.5,
+        currencyCode: 'EUR',
+      },
+      availability: 'OUT_OF_STOCK',
+    };
+
     stdout = execSync(
       `node interactive-tutorials/product/crud-product.js ${productId}`,
       {cwd}
diff --git a/retail/interactive-tutorials/test/delete-product.test.js b/retail/interactive-tutorials/test/delete-product.test.js
index 18b8d9dbda..77cb4dde06 100644
--- a/retail/interactive-tutorials/test/delete-product.test.js
+++ b/retail/interactive-tutorials/test/delete-product.test.js
@@ -27,11 +27,14 @@ const cwd = path.join(__dirname, '..');
 describe('Delete product', () => {
   const retailClient = new ProductServiceClient();
   const productId = Math.random().toString(36).slice(2).toUpperCase();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const name = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+  let projectId;
+  let name;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    name = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+
     stdout = execSync(
       `node interactive-tutorials/product/delete-product.js ${productId}`,
       {cwd}
diff --git a/retail/interactive-tutorials/test/get-product.test.js b/retail/interactive-tutorials/test/get-product.test.js
index 7898314b6c..f5673b8d61 100644
--- a/retail/interactive-tutorials/test/get-product.test.js
+++ b/retail/interactive-tutorials/test/get-product.test.js
@@ -26,11 +26,14 @@ const cwd = path.join(__dirname, '..');
 describe('Get product', () => {
   const retailClient = new ProductServiceClient();
   const productId = Math.random().toString(36).slice(2).toUpperCase();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const name = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+  let projectId;
+  let name;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    name = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+
     stdout = execSync(
       `node interactive-tutorials/product/get-product.js ${productId}`,
       {cwd}
diff --git a/retail/interactive-tutorials/test/import-products-inline-source.test.js b/retail/interactive-tutorials/test/import-products-inline-source.test.js
index 319bca5e1e..44a0ac00ed 100644
--- a/retail/interactive-tutorials/test/import-products-inline-source.test.js
+++ b/retail/interactive-tutorials/test/import-products-inline-source.test.js
@@ -26,24 +26,27 @@ const cwd = path.join(__dirname, '..');
 
 describe('Import product from inline source', () => {
   const retailClient = new ProductServiceClient();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
 
   const id1 = Math.random().toString(36).slice(2).toUpperCase();
   const id2 = Math.random().toString(36).slice(2).toUpperCase();
 
-  const product1 = {
-    id: id1,
-    name: `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${id1}`,
-  };
-
-  const product2 = {
-    id: id2,
-    name: `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${id2}`,
-  };
-
+  let projectId;
+  let product1;
+  let product2;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    product1 = {
+      id: id1,
+      name: `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${id1}`,
+    };
+
+    product2 = {
+      id: id2,
+      name: `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${id2}`,
+    };
+
     stdout = execSync(
       `node interactive-tutorials/product/import-products-inline-source.js ${product1.id} ${product2.id}`,
       {cwd}
diff --git a/retail/interactive-tutorials/test/search-simple-query.test.js b/retail/interactive-tutorials/test/search-simple-query.test.js
index ff74a29d24..9b54fcb977 100644
--- a/retail/interactive-tutorials/test/search-simple-query.test.js
+++ b/retail/interactive-tutorials/test/search-simple-query.test.js
@@ -45,13 +45,8 @@ describe('Search simple query', () => {
 
   describe('Search simple query sample result', () => {
     const retailClient = new SearchServiceClient();
-
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Hoodie',
-      visitorId: '12345',
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -60,6 +55,12 @@ describe('Search simple query', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Hoodie',
+        visitorId: '12345',
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-boost-spec.test.js b/retail/interactive-tutorials/test/search-with-boost-spec.test.js
index 54d07dfd4d..5d741d3bbd 100644
--- a/retail/interactive-tutorials/test/search-with-boost-spec.test.js
+++ b/retail/interactive-tutorials/test/search-with-boost-spec.test.js
@@ -45,17 +45,8 @@ describe('Search with boost spec', () => {
 
   describe('Search with boost spec sample result', () => {
     const retailClient = new SearchServiceClient();
-
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Hoodie',
-      visitorId: '12345',
-      boostSpec: {
-        condition: '(colorFamilies: ANY("Blue"))',
-        boost: 0.0,
-      },
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -64,6 +55,16 @@ describe('Search with boost spec', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Hoodie',
+        visitorId: '12345',
+        boostSpec: {
+          condition: '(colorFamilies: ANY("Blue"))',
+          boost: 0.0,
+        },
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-facet-spec.test.js b/retail/interactive-tutorials/test/search-with-facet-spec.test.js
index 6f79d3fc5b..fcd8070192 100644
--- a/retail/interactive-tutorials/test/search-with-facet-spec.test.js
+++ b/retail/interactive-tutorials/test/search-with-facet-spec.test.js
@@ -45,14 +45,8 @@ describe('Search with facet spec', () => {
 
   describe('Search with facet spec result', () => {
     const retailClient = new SearchServiceClient();
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Tee',
-      visitorId: '12345',
-      facetSpecs: [{facetKey: {key: 'colorFamilies'}}],
-      pageSize: 10,
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -61,6 +55,14 @@ describe('Search with facet spec', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Tee',
+        visitorId: '12345',
+        facetSpecs: [{facetKey: {key: 'colorFamilies'}}],
+        pageSize: 10,
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-filtering.test.js b/retail/interactive-tutorials/test/search-with-filtering.test.js
index 0aaa1b10ae..850c41c65b 100644
--- a/retail/interactive-tutorials/test/search-with-filtering.test.js
+++ b/retail/interactive-tutorials/test/search-with-filtering.test.js
@@ -45,13 +45,8 @@ describe('Search with filtering', () => {
 
   describe('Search with filtering sample result', () => {
     const retailClient = new SearchServiceClient();
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Tee',
-      visitorId: '12345',
-      filter: '(colorFamilies: ANY("Black"))',
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -60,6 +55,13 @@ describe('Search with filtering', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Tee',
+        visitorId: '12345',
+        filter: '(colorFamilies: ANY("Black"))',
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-ordering.test.js b/retail/interactive-tutorials/test/search-with-ordering.test.js
index 4ddd6f0c0a..f05e8a49ab 100644
--- a/retail/interactive-tutorials/test/search-with-ordering.test.js
+++ b/retail/interactive-tutorials/test/search-with-ordering.test.js
@@ -45,13 +45,8 @@ describe('Search with ordering', () => {
 
   describe('Search with ordering sample result', () => {
     const retailClient = new SearchServiceClient();
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Hoodie',
-      visitorId: '12345',
-      orderBy: 'price desc',
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -60,6 +55,13 @@ describe('Search with ordering', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Hoodie',
+        visitorId: '12345',
+        orderBy: 'price desc',
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-pagination.test.js b/retail/interactive-tutorials/test/search-with-pagination.test.js
index 59c1c24277..cb7166ca70 100644
--- a/retail/interactive-tutorials/test/search-with-pagination.test.js
+++ b/retail/interactive-tutorials/test/search-with-pagination.test.js
@@ -49,18 +49,11 @@ describe('Search with pagination', () => {
 
   describe('Search with pagination sample result', () => {
     const retailClient = new SearchServiceClient();
-    const projectNumber = process.env['GCLOUD_PROJECT'];
+    let projectId;
     const pageSize = 2;
     const offset = 0;
     const pageToken = '';
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Hoodie',
-      visitorId: '12345',
-      pageSize,
-      offset,
-      pageToken,
-    };
+    let request;
     let response;
 
     const IResponseParams = {
@@ -70,6 +63,15 @@ describe('Search with pagination', () => {
     };
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Hoodie',
+        visitorId: '12345',
+        pageSize,
+        offset,
+        pageToken,
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/search-with-query-expansion-spec.test.js b/retail/interactive-tutorials/test/search-with-query-expansion-spec.test.js
index 414523501d..2446b26345 100644
--- a/retail/interactive-tutorials/test/search-with-query-expansion-spec.test.js
+++ b/retail/interactive-tutorials/test/search-with-query-expansion-spec.test.js
@@ -47,16 +47,8 @@ describe('Search with query expansion spec', () => {
 
   describe('Search with query expansion spec sample result', () => {
     const retailClient = new SearchServiceClient();
-    const projectNumber = process.env['GCLOUD_PROJECT'];
-    const request = {
-      placement: `projects/${projectNumber}/locations/global/catalogs/default_catalog/placements/default_search`,
-      query: 'Google Youth Hero Tee Grey',
-      visitorId: '12345',
-      queryExpansionSpec: {
-        condition: 'AUTO',
-      },
-      pageSize: 10,
-    };
+    let projectId;
+    let request;
     const IResponseParams = {
       ISearchResult: 0,
       ISearchRequest: 1,
@@ -65,6 +57,16 @@ describe('Search with query expansion spec', () => {
     let response = [];
 
     before(async () => {
+      projectId = await retailClient.getProjectId();
+      request = {
+        placement: `projects/${projectId}/locations/global/catalogs/default_catalog/placements/default_search`,
+        query: 'Google Youth Hero Tee Grey',
+        visitorId: '12345',
+        queryExpansionSpec: {
+          condition: 'AUTO',
+        },
+        pageSize: 10,
+      };
       response = await retailClient.search(request, {autoPaginate: false});
     });
 
diff --git a/retail/interactive-tutorials/test/update-product.test.js b/retail/interactive-tutorials/test/update-product.test.js
index 0f50ff290a..9035ccaf64 100644
--- a/retail/interactive-tutorials/test/update-product.test.js
+++ b/retail/interactive-tutorials/test/update-product.test.js
@@ -27,25 +27,29 @@ const cwd = path.join(__dirname, '..');
 describe('Update product', () => {
   const retailClient = new ProductServiceClient();
   const productId = Math.random().toString(36).slice(2).toUpperCase();
-  const projectNumber = process.env['GCLOUD_PROJECT'];
-  const name = `projects/${projectNumber}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
-  const product = {
-    productId,
-    name,
-    title: 'Updated Nest Mini',
-    type: 'PRIMARY',
-    categories: ['Updated Speakers and displays'],
-    brands: ['Updated Google'],
-    priceInfo: {
-      price: 20.0,
-      originalPrice: 25.5,
-      currencyCode: 'EUR',
-    },
-    availability: 'OUT_OF_STOCK',
-  };
+  let projectId;
+  let name;
+  let product;
   let stdout;
 
   before(async () => {
+    projectId = await retailClient.getProjectId();
+    name = `projects/${projectId}/locations/global/catalogs/default_catalog/branches/default_branch/products/${productId}`;
+    product = {
+      productId,
+      name,
+      title: 'Updated Nest Mini',
+      type: 'PRIMARY',
+      categories: ['Updated Speakers and displays'],
+      brands: ['Updated Google'],
+      priceInfo: {
+        price: 20.0,
+        originalPrice: 25.5,
+        currencyCode: 'EUR',
+      },
+      availability: 'OUT_OF_STOCK',
+    };
+
     stdout = execSync(
       `node interactive-tutorials/product/update-product.js ${productId}`,
       {cwd}